COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: The true nature of the jet base in 3C84 Exp. Code: GP061A Schedule Version: 9.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Georgios Filippos Paraschos Address: Max-Planck-Institute for Radiostronomy Auf dem Huegel, 69 Bonn, NRW, 53121 Germany Phone: +49228525292 EMAIL: gfparaschos@mpifr-bonn.mpg.de Fax: Phone during observation: +492257301155 Observing mode: Notes: PHASECAL should be ON v9 adds KVNPC Schedule for VLBA_MK (Code Mk ) Page 2 The true nature of the jet base in 3C84 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 5 Jun 2024 Day 157 --- Next scan frequencies: 22140.00 22140.00 22204.00 22204.00 22268.00 22268.00 22332.00 22332.00 Next BBC frequencies: 640.00 640.00 704.00 704.00 768.00 768.00 832.00 832.00 Next scan bandwidths: 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 11 46 55 J0102+5824 18 22 41 11.6 31.6 -6.7 -70.8 0 0 11 46 55 11 52 55 =0059+581 18 28 42 12.3 31.9 -6.6 -72.1 360 93 11 46 56 12 56 50 J0102+5824 19 32 48 20.5 33.6 -5.5 -85.3 3828 93 12 56 50 13 02 50 =0059+581 19 38 49 21.3 33.6 -5.4 -86.5 360 185 12 56 51 14 06 50 J0102+5824 20 42 59 29.6 33.1 -4.4 -100.5 3833 185 14 06 50 14 12 50 =0059+581 20 49 00 30.4 32.9 -4.3 -101.9 360 278 14 06 51 ---------- POINTING ---------- 14 52 25 3C84 21 28 42 14.3 50.5 -5.9 -76.1 2318 278 14 52 25 15 02 25 --- 21 38 43 16.1 50.9 -5.7 -77.6 600 433 14 52 26 15 03 05 3C84 21 39 23 16.3 51.0 -5.7 -77.7 34 433 15 03 05 15 13 05 --- 21 49 25 18.1 51.3 -5.5 -79.3 600 587 15 03 06 15 17 25 NRAO150 21 53 46 14.1 40.4 -6.1 -75.9 242 587 15 17 25 15 23 25 --- 21 59 47 15.0 40.6 -6.0 -77.0 360 680 15 17 26 15 28 25 3C84 22 04 47 20.9 51.8 -5.3 -81.6 281 680 15 28 25 15 38 25 --- 22 14 49 22.8 52.1 -5.1 -83.2 600 835 15 28 26 15 39 10 3C84 22 15 34 22.9 52.1 -5.1 -83.3 39 835 15 39 10 15 49 10 --- 22 25 36 24.8 52.3 -4.9 -84.9 600 989 15 39 11 15 52 30 NRAO150 22 28 56 19.5 41.5 -5.5 -82.4 180 989 15 52 30 15 58 30 --- 22 34 57 20.5 41.6 -5.4 -83.5 360 1082 15 52 31 ---------- POINTING ---------- 16 05 50 3C84 22 42 19 27.9 52.6 -4.7 -87.6 419 1082 16 05 50 16 15 50 --- 22 52 20 29.8 52.6 -4.5 -89.2 600 1237 16 05 51 16 16 35 3C84 22 53 05 29.9 52.6 -4.5 -89.3 39 1237 16 16 35 16 26 35 --- 23 03 07 31.8 52.6 -4.3 -91.0 600 1391 16 16 36 16 29 55 J0102+5824 23 06 28 45.8 21.6 -2.0 -138.5 163 1391 16 29 55 16 35 55 =0059+581 23 12 29 46.3 20.7 -1.9 -140.4 360 1484 16 29 56 16 38 55 3C84 23 15 29 34.1 52.5 -4.1 -93.1 145 1484 16 38 55 16 48 55 --- 23 25 31 36.0 52.4 -3.9 -94.9 600 1639 16 38 56 Schedule for VLBA_MK (Code Mk ) Page 3 The true nature of the jet base in 3C84 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 5 Jun 2024 Day 157 --- 16 49 40 3C84 23 26 16 36.1 52.4 -3.9 -95.0 39 1639 16 49 40 16 59 40 --- 23 36 17 38.0 52.1 -3.8 -96.8 600 1793 16 49 41 17 02 10 NRAO150 23 38 48 30.5 41.7 -4.4 -95.9 126 1793 17 02 10 17 08 10 --- 23 44 49 31.4 41.5 -4.3 -97.2 360 1886 17 02 11 ---------- POINTING ---------- 17 15 30 3C84 23 52 10 40.9 51.6 -3.5 -99.8 415 1886 17 15 30 17 25 30 --- 00 02 12 42.8 51.1 -3.3 -101.8 600 2040 17 15 31 17 26 10 3C84 00 02 52 42.9 51.0 -3.3 -101.9 34 2040 17 26 10 17 36 10 --- 00 12 53 44.7 50.5 -3.1 -104.0 600 2195 17 26 11 17 40 30 NRAO150 00 17 14 36.5 40.4 -3.7 -104.1 233 2195 17 40 30 17 46 30 --- 00 23 15 37.4 40.1 -3.6 -105.4 360 2288 17 40 31 17 47 50 NRAO150 00 24 35 37.6 40.0 -3.6 -105.7 74 2288 17 47 50 17 53 50 --- 00 30 36 38.5 39.7 -3.5 -107.1 360 2381 17 47 51 ---------- Segment (C). VLBA (1800-1900; EVNs out, KVN not yet back) ---------- 17 56 00 3C84 00 32 47 48.3 49.0 -2.8 -108.4 102 2381 17 56 00 18 06 00 --- 00 42 48 50.1 48.0 -2.6 -110.8 600 2535 17 56 01 18 06 45 3C84 00 43 33 50.2 47.9 -2.6 -111.0 39 2535 18 06 45 18 16 45 --- 00 53 35 51.9 46.8 -2.5 -113.5 600 2690 18 06 46 18 20 05 J0102+5824 00 56 56 51.2 1.5 -0.1 -177.3 161 2690 18 20 05 18 26 05 =0059+581 01 02 57 51.3 0.3 -0.0 -179.5 360 2782 18 20 06 18 28 05 3C84 01 04 57 53.8 45.3 -2.3 -116.6 81 2782 18 28 05 18 38 05 --- 01 14 59 55.5 43.8 -2.1 -119.5 600 2937 18 28 06 18 38 50 3C84 01 15 44 55.6 43.7 -2.1 -119.7 39 2937 18 38 50 18 48 50 --- 01 25 45 57.2 41.9 -1.9 -122.8 600 3092 18 38 51 18 51 20 NRAO150 01 28 16 46.7 34.6 -2.6 -121.8 119 3092 18 51 20 18 57 20 --- 01 34 17 47.5 33.9 -2.5 -123.5 360 3184 18 51 21 ---------- Segment (D). KVN+VLBA (1900-0200) ---------- 19 00 00 3C84 01 36 57 58.9 39.6 -1.7 -126.6 129 3184 19 00 00 19 10 00 --- 01 46 59 60.4 37.3 -1.6 -130.3 600 3339 19 00 01 Schedule for VLBA_MK (Code Mk ) Page 4 The true nature of the jet base in 3C84 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 5 Jun 2024 Day 157 --- 19 10 45 3C84 01 47 44 60.5 37.2 -1.6 -130.6 39 3339 19 10 45 19 20 45 --- 01 57 46 61.9 34.5 -1.4 -134.5 600 3494 19 10 46 19 23 15 J0102+5824 02 00 16 50.0 -11.3 0.9 159.3 111 3494 19 23 15 19 29 15 =0059+581 02 06 17 49.7 -12.5 1.0 157.1 360 3586 19 23 16 19 31 15 3C84 02 08 17 63.3 31.4 -1.2 -139.0 81 3586 19 31 15 19 41 15 --- 02 18 19 64.4 28.1 -1.1 -143.7 600 3741 19 31 16 19 42 00 3C84 02 19 04 64.5 27.8 -1.0 -144.0 39 3741 19 42 00 19 52 00 --- 02 29 06 65.5 24.1 -0.9 -149.1 600 3895 19 42 01 19 54 30 NRAO150 02 31 36 54.1 24.2 -1.5 -142.2 117 3895 19 54 30 20 00 30 --- 02 37 37 54.7 22.9 -1.4 -144.5 360 3988 19 54 31 20 02 30 3C84 02 39 37 66.5 19.8 -0.7 -154.7 87 3988 20 02 30 20 12 30 --- 02 49 39 67.2 15.4 -0.5 -160.4 600 4143 20 02 31 20 13 15 3C84 02 50 24 67.2 15.1 -0.5 -160.9 39 4143 20 13 15 20 23 15 --- 03 00 26 67.8 10.4 -0.3 -166.9 600 4297 20 13 16 20 25 45 J0102+5824 03 02 56 45.7 -21.7 2.0 138.2 96 4297 20 25 45 20 31 45 =0059+581 03 08 57 45.2 -22.5 2.1 136.3 360 4390 20 25 46 20 33 45 3C84 03 10 58 68.1 5.2 -0.2 -173.4 64 4390 20 33 45 20 43 45 --- 03 20 59 68.2 0.2 -0.0 -179.7 600 4545 20 33 46 20 44 30 3C84 03 21 44 68.2 -0.2 0.0 179.8 39 4545 20 44 30 20 54 30 --- 03 31 46 68.1 -5.2 0.2 173.4 600 4699 20 44 31 20 57 00 NRAO150 03 34 16 58.3 8.1 -0.5 -167.8 121 4699 20 57 00 21 03 00 --- 03 40 17 58.5 6.3 -0.3 -170.5 360 4792 20 57 01 21 05 00 3C84 03 42 18 67.8 -10.4 0.3 166.9 92 4792 21 05 00 21 15 00 --- 03 52 19 67.2 -15.1 0.5 160.9 600 4947 21 05 01 21 15 45 3C84 03 53 05 67.2 -15.4 0.5 160.5 39 4947 21 15 45 21 25 45 --- 04 03 06 66.5 -19.8 0.7 154.7 600 5101 21 15 46 21 28 15 NRAO150 04 05 37 58.8 -1.3 0.1 178.0 126 5101 21 28 15 21 34 15 --- 04 11 38 58.7 -3.1 0.2 175.3 360 5194 21 28 16 21 36 15 3C84 04 13 38 65.5 -24.1 0.9 149.1 97 5194 21 36 15 21 46 15 --- 04 23 40 64.5 -27.8 1.0 144.1 600 5349 21 36 16 Schedule for VLBA_MK (Code Mk ) Page 5 The true nature of the jet base in 3C84 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 5 Jun 2024 Day 157 --- 21 47 00 3C84 04 24 25 64.4 -28.1 1.1 143.7 39 5349 21 47 00 21 57 00 --- 04 34 26 63.3 -31.4 1.2 139.1 600 5503 21 47 01 21 59 30 NRAO150 04 36 57 58.0 -10.6 0.6 164.0 127 5503 21 59 30 22 05 30 --- 04 42 58 57.7 -12.3 0.7 161.4 360 5596 21 59 31 22 07 30 3C84 04 44 58 61.9 -34.5 1.4 134.5 97 5596 22 07 30 22 17 30 --- 04 55 00 60.5 -37.1 1.6 130.6 600 5750 22 07 31 22 18 15 3C84 04 55 45 60.4 -37.3 1.6 130.3 39 5750 22 18 15 22 28 15 --- 05 05 46 59.0 -39.6 1.7 126.6 600 5905 22 18 16 22 30 45 J0102+5824 05 08 17 31.8 -32.5 4.1 104.4 85 5905 22 30 45 22 36 45 =0059+581 05 14 18 31.0 -32.7 4.2 103.0 360 5998 22 30 46 22 38 45 3C84 05 16 18 57.3 -41.8 1.9 123.1 56 5998 22 38 45 22 48 45 --- 05 26 20 55.7 -43.5 2.1 119.9 600 6152 22 38 46 22 49 30 3C84 05 27 05 55.6 -43.7 2.1 119.7 39 6152 22 49 30 22 59 30 --- 05 37 07 54.0 -45.2 2.3 116.8 600 6307 22 49 31 23 02 00 NRAO150 05 39 37 53.3 -25.9 1.6 139.1 128 6307 23 02 00 23 08 00 --- 05 45 38 52.6 -27.1 1.7 137.0 360 6400 23 02 01 23 10 00 3C84 05 47 38 52.2 -46.6 2.4 113.9 99 6400 23 10 00 23 20 00 --- 05 57 40 50.5 -47.8 2.6 111.3 600 6554 23 10 01 23 20 40 3C84 05 58 20 50.3 -47.8 2.6 111.2 34 6554 23 20 40 23 30 40 --- 06 08 22 48.6 -48.8 2.8 108.8 600 6709 23 20 41 23 33 10 NRAO150 06 10 52 49.7 -31.4 2.2 128.8 130 6709 23 33 10 23 39 10 --- 06 16 53 49.0 -32.3 2.3 126.9 360 6802 23 33 11 ---------- preempt ok ---------- 23 41 10 3C84 06 18 53 46.7 -49.7 3.0 106.4 100 6802 23 41 10 23 51 10 --- 06 28 55 44.9 -50.4 3.1 104.2 600 6956 23 41 11 --- Start: Wed 5 Jun 2024 Day 157 -- Stop: Thu 6 Jun 2024 Day 158 --- 23 51 55 3C84 06 29 40 44.8 -50.5 3.1 104.0 39 6956 23 51 55 00 01 55 --- 06 39 42 42.9 -51.0 3.3 102.0 600 7111 23 51 56 00 04 25 J0102+5824 06 42 12 19.6 -33.5 5.6 83.9 93 7111 00 04 25 00 10 25 =0059+581 06 48 13 18.9 -33.4 5.7 82.7 360 7204 00 04 26 Schedule for VLBA_MK (Code Mk ) Page 6 The true nature of the jet base in 3C84 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 6 Jun 2024 Day 158 --- 00 12 25 3C84 06 50 14 41.0 -51.5 3.5 99.9 65 7204 00 12 25 00 22 25 --- 07 00 15 39.1 -51.9 3.6 98.0 600 7358 00 12 26 00 23 05 3C84 07 00 55 39.0 -51.9 3.7 97.8 34 7358 00 23 05 00 33 05 --- 07 10 57 37.2 -52.2 3.8 96.0 600 7513 00 23 06 00 35 35 NRAO150 07 13 27 41.2 -38.4 3.2 111.5 132 7513 00 35 35 00 41 35 --- 07 19 28 40.3 -38.9 3.3 110.1 360 7605 00 35 36 00 55 00 0716+714 07 32 56 38.5 -0.9 0.1 177.5 770 7605 00 55 00 01 01 40 --- 07 39 37 38.5 -1.5 0.3 175.5 400 7709 00 55 01 01 03 20 0716+714 07 41 17 38.4 -1.7 0.3 175.0 94 7709 01 03 20 01 10 00 --- 07 47 58 38.4 -2.4 0.4 173.0 400 7812 01 03 21 01 11 40 0716+714 07 49 38 38.4 -2.6 0.4 172.5 94 7812 01 11 40 01 18 20 --- 07 56 19 38.3 -3.2 0.5 170.5 400 7915 01 11 41 01 20 00 0716+714 07 58 00 38.3 -3.4 0.6 170.0 94 7915 01 20 00 01 26 40 --- 08 04 41 38.2 -4.1 0.7 168.0 400 8018 01 20 01 01 28 20 0716+714 08 06 21 38.1 -4.2 0.7 167.5 94 8018 01 28 20 01 35 00 --- 08 13 02 38.0 -4.9 0.8 165.5 400 8121 01 28 21 01 36 40 0716+714 08 14 42 38.0 -5.1 0.8 165.0 94 8121 01 36 40 01 43 20 --- 08 21 23 37.8 -5.7 0.9 163.0 400 8224 01 36 41 01 45 00 0716+714 08 23 04 37.8 -5.9 1.0 162.5 94 8224 01 45 00 01 51 40 --- 08 29 45 37.6 -6.5 1.1 160.5 400 8327 01 45 01 01 53 20 0716+714 08 31 25 37.6 -6.7 1.1 160.0 94 8327 01 53 20 02 00 00 --- 08 38 06 37.4 -7.3 1.2 158.1 400 8430 01 53 21 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess224.K2048glob Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: v1cm_b3 Setup group: 7 Station: VLBA_MK Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 Net SB= U U U U U U U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 1cm omit 1cm VLBA Synth= 9.1 6.1 12.4 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 14 Setup file default. Used with PCAL = 1MHz LO sum= 22140.00 22140.00 22204.00 22204.00 22268.00 22268.00 22332.00 22332.00 BBC fr= 640.00 640.00 704.00 704.00 768.00 768.00 832.00 832.00 Bandwd= 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 727.99 727.99 791.99 791.99 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 14 15 16 17 18 19 20 21 22 23 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0059+581 00 59 43.470969 * 01 02 45.762377 01 04 12.915375 0.00 * J0102+5824 58 08 04.84743 * 58 24 11.13658 58 31 46.66240 0.00 J0102+58 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 399648 observations. * 3C84 03 16 29.567265 * 03 19 48.160096 03 21 23.184622 1.50 J0319+4130 41 19 51.91692 * 41 30 42.10404 41 35 53.74929 2.86 0316+413 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0319+41 GSFC 2016a X/S astro solution, 10291 observations. * NRAO150 03 55 45.261365 * 03 59 29.747266 04 01 16.989612 0.03 J0359+5057 50 49 20.28574 * 50 57 50.16169 51 01 55.07231 0.02 0355+508 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0359+50 GSFC 2016a X/S astro solution, 22807 observations. * 0716+714 07 16 13.029730 * 07 21 53.448465 07 24 35.369527 0.01 J0721+7120 71 26 15.17409 * 71 20 36.36343 71 18 01.22650 0.00 J0721+71 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 79366 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline J0102+5824 sess224.K2048glob 1 2 3 4 5 6 8 11 14 2.033 169.764 3C84 sess224.K2048glob 1 2 3 4 5 6 8 11 14 15.167 1240.703 NRAO150 sess224.K2048glob 1 2 3 4 5 6 8 11 14 2.500 241.100 0716+714 sess224.K2048glob 1 2 3 4 14 2.422 37.089 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) J0102+5824 54.3 3C84 27.5 NRAO150 30.4 0716+714 53.1 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg